Outage in IONOS Cloud

Kubernetes Performance Degradation

Resolved Minor
December 18, 2025 - Started 27 days ago - Lasted about 3 hours
Official incident page

Incident Report

We are currently investigating degraded performance in our Kubernetes service.
Components affected
IONOS Cloud Managed Kubernetes IONOS Cloud Managed Kubernetes IONOS Cloud Managed Kubernetes IONOS Cloud Managed Kubernetes IONOS Cloud Managed Kubernetes IONOS Cloud Managed Kubernetes IONOS Cloud Managed Kubernetes

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Latest Updates ( sorted recent to last )
RESOLVED 27 days ago - at 12/18/2025 07:31PM

We are marking this incident as resolved. All services behave normally.

MONITORING 27 days ago - at 12/18/2025 05:20PM

We have restored the affected control plane cluster. We are now restarting related API servers and then monitoring the system for any anomalies before marking the incident as resolved.

IDENTIFIED 27 days ago - at 12/18/2025 05:03PM

We have traced the issue back to a specific control plane cluster. Customers using the affected control plane cluster will currently be unable to deploy changes. Our Kubernetes Team is working towards restoring the affected cluster.

INVESTIGATING 27 days ago - at 12/18/2025 04:51PM

We are currently investigating degraded performance in our Kubernetes service.

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